adamantine in Ukrainian
a. адамантовий, непохитний, незламний, твердий: дуже твердий
But the good senora, after having read Don Marcelo's letters, opposed an adamantine will to all contrary suggestions.
For all our sakes, I hope that the future does not derail China's economic progress, though it will be a surprise if it does not challenge its arthritic and adamantine political system.
Sight grows dim, my strength is two occult, adamantine darts
having the hardness of a diamond: hard
impervious to pleas, persuasion, requests, reason; she would have none of him"- W.Churchill: intransigent, inflexible, adamant, inexorable
consisting of or having the hardness of adamant